Grammar for STEAM changes

Use the Future Perfect tense to express changes you think will definitely be possible or will happen in the future.

By 2030, smartphones will have replaced most traditional landlines for communication.

Example:

Subject + will have + V.3

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We often use conjunctions to indicate that an action will be completed before another action or a specific time in the future.

By the end of this year, Engineers will have developed even more sophisticated AI translation tools

Example:

By - Before - By the time - By the end of

Use the Mixed conditional to express results or consequences of past actions/developments which has effects in the present.

If mobile phones hadn't been invented, we wouldn't be able to communicate instantly from anywhere in the world today.

Example:

If + past perfect (had + past participle), would + V.1 (or could/might/should).

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